CVE-2026-12635
Last modified
CVE-2026-12635 is a low-severity vulnerability rated 3.1/10 on the CVSS scale. GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through mirror synchronization due to improper URL validation.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through mirror synchronization due to improper URL validation.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 8.3.0, < 18.11.6 |
| Gitlab | Gitlab | >= 19.0.0, < 19.0.3 |
| Gitlab | Gitlab | 19.1.0 |
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-12635?
How severe is CVE-2026-12635?
How do I fix CVE-2026-12635?
Are you affected by CVE-2026-12635?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST